abstract |
Various embodiments of the present invention provide for a light emitting devices comprising a light emitting layer comprising an electroluminescent organic material dispersed in a matrix, wherein the electroluminescent organic material has a molecular weight less than about 2000 amu, the matrix comprises a nonelectroluminescent-nonpolymeric amorphous glass mixture, and each of the nonelectroluminescent-nonpolymeric organic molecular glass mixture and the electroluminescent organic material constitutes at least 20 percent by weight of the light emitting layer; and electrodes in electrical communication with the light emitting layer and configured to conduct an electric charge through the light emitting layer such that the light emitting layer emits light. |